do
--create coroutine table
--coroutine state: suspended, running, dead, normal
--when create the coroutine, the status is suspended, After calling it, the status is dead
--get the coroutine status by the way coroutine.status
local coA = 0;
local coB = 0;
function createCoroutineA()
coA = coroutine.create(
function()
--for i = 0, 10 do
print("coA: ", 0);
print("coB status: ", coroutine.status(coB)); --normal status
print("coA status: ", coroutine.status(coA));
print("coA coroutine next status");
--coroutine.yield();--the current coroutine is suspended
--end
end
);
print("From coA to resume coB");
end
function createCoroutineB()
coB = coroutine.create(
function()
--for i = 0, 10 do
print("coB: ", 0);
print("coA status: ", coroutine.status(coA));
coroutine.resume(coA); --when resume coA, the coB will suspended, calling coB ,the coA status is
--suspended and dead, this time will continue to execute the next code
print("coB status: ", coroutine.status(coB));
print("coB coroutine next status");
--coroutine.yield();
--end
end
);
print("From coB to resume coA");
end
--display the coA and coB status
createCoroutineA();
print(coroutine.status(coA));
createCoroutineB();
print(coroutine.status(coB));
coroutine.resume(coB);
print(coroutine.resume(coB)); --if the coroutine is dead ,the resume will resume false, and can't resume the dead coroutine
--print("coA status: ", coroutine.status(coA));
--print("coB status: ", coroutine.status(coB));
end
注：
resume得到返回值，
如果有對應的yield在wait resume，那么yield的參數作為resum的返回值，第一個返回值表示coroutine沒有錯誤，后面的返回值個數及其值視yeild參數而定。
如果沒有yield在wait,那么返回值是對應函數的返回值,:true,* * *
do
--create coroutine table
--coroutine state: suspended, running, dead, normal
--when create the coroutine, the status is suspended, After calling it, the status is dead
--get the coroutine status by the way coroutine.status
local coA = 0;
local coB = 0;
function createCoroutineA()
coA = coroutine.create(
function(paramA, paramB)
--for i = 0, 10 do
print("coA: ", 0);
coroutine.yield(paramA, paramB);--the current coroutine is suspended
--end
return 100, 200;
end
);
print("From coA to resume coB");
end
function createCoroutineB()
coB = coroutine.create(
function()
--for i = 0, 10 do
print("coB: ", 0);
print("coA status: ", coroutine.status(coA));
coroutine.resume(coA); --when resume coA, the coB will suspended, calling coB ,the coA status is
--suspended and dead, this time will continue to execute the next code
print("coB status: ", coroutine.status(coB));
print("coB coroutine next status");
--coroutine.yield();
--end
end
);
print("From coB to resume coA");
end
createCoroutineA();
--if not yield is waiting ,the return values that the main function return as the results of the resume
--or the return as the yield params
print( coroutine.resume(coA, 10, 20));--OutPut:true, 10, 20
end
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